A vegan salad with real staying power: lentils and quinoa together give over 20 grams of plant protein per bowl. It keeps for days and only gets better.
Rinse the lentils and pick out any small stones. Rinse the quinoa in a fine sieve.
Put the lentils in a saucepan with 1 litre (4 cups) of water. Bring to a boil over high heat, then reduce to a gentle simmer over medium-low and cook until tender but still holding their shape, 18 to 20 minutes. Drain well.
At the same time, put the quinoa in a second saucepan with 300 ml (1 1/4 cups) of water, bring to a boil over high heat, cover and simmer on low for 15 minutes, then rest covered for 5 minutes.
Toast the pumpkin seeds in a dry skillet over medium heat, shaking the pan, until they puff and start to pop, about 3 minutes. Tip onto a plate.
Whisk the olive oil, lemon juice, Dijon, cumin, salt and pepper in a large bowl.
Add the warm lentils and quinoa to the dressing and toss; they absorb more flavour while warm. Let cool for 10 minutes.
Fold in the cucumber, tomatoes, red pepper, red onion, parsley and mint, and top with the toasted pumpkin seeds. Keeps 4 days in the fridge.
Tips
Dressing the grains while warm is the secret: cold lentils do not absorb flavour.
Swaps
More protein: add 200 g of crumbled feta (no longer vegan) or a can of chickpeas.